CN216313204U - Mobile shooting device - Google Patents
Mobile shooting device Download PDFInfo
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- CN216313204U CN216313204U CN202121137102.XU CN202121137102U CN216313204U CN 216313204 U CN216313204 U CN 216313204U CN 202121137102 U CN202121137102 U CN 202121137102U CN 216313204 U CN216313204 U CN 216313204U
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Abstract
The embodiment of the utility model relates to the field of electric appliances, and discloses a mobile shooting device, which comprises: the device comprises a communication device, a control device, a mobile shooting device and an image processing device, wherein the mobile shooting device is provided with an RGB (red, green and blue) monochromatic light source; the communication device is used for sending shooting information planned for a shooting object to the control device; the control device is used for controlling the mobile shooting device to shoot according to shooting information and controlling an RGB (red, green and blue) monochromatic light source arranged in the mobile shooting device to carry out stroboflash according to a preset stroboflash mode so that the mobile shooting device is exposed to shoot a black-and-white image; and the image processing device is used for receiving the black-and-white image sent by the mobile shooting device to carry out splicing processing to obtain a true color image. The utility model can remove the waiting time of fixed shooting jitter through mobile shooting, improves the detection efficiency, has simple structure and can effectively control the manufacturing and maintenance cost.
Description
Technical Field
The embodiment of the utility model relates to the technical field of electric appliances, in particular to a mobile shooting device.
Background
The machine vision detection technology is to use machine and optical imaging system to simulate the vision function of human eye and to measure the target object and to check the appearance quality. The visual detection technology integrates subject knowledge in multiple fields such as computer science, automatic control technology, artificial intelligence, digital image processing, mode recognition and the like. In addition, the technology has the advantages of zero contact, low investment, easy implementation and the like, can be applied to severe working environments, and along with the continuous improvement of computer performance and the continuous optimization of digital image processing technology, machine vision is currently applied to a plurality of fields including agriculture, industry, medicine and semiconductors.
For a visual inspection system, the inspection work is performed on the obtained pictures, so that the acquisition of high-quality images is the first step of successful application of the inspection system and is also a key step. Currently, area array imaging of the mainstream is: the black and white camera is matched with monochromatic light, the Bayer color camera is matched with white light, and the combination of flying shooting and fixed shooting modes is added. The time for debouncing to reach complete standstill is additionally required for one to two seconds from the movement to the stop of the fixed beat, and the efficiency of online detection is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To solve the above technical problem, an embodiment of the present invention provides a mobile shooting system, including: the device comprises a communication device, a control device, a mobile shooting device and an image processing device, wherein the mobile shooting device is provided with an RGB (red, green and blue) monochromatic light source;
the communication device is used for sending shooting information planned for a shooting object to the control device;
the control device is used for controlling the mobile shooting device to shoot according to shooting information and controlling an RGB (red, green and blue) monochromatic light source arranged in the mobile shooting device to carry out stroboflash according to a preset stroboflash mode so that the mobile shooting device is exposed to shoot a black-and-white image;
and the image processing device is used for receiving the black-and-white image sent by the mobile shooting device to carry out splicing processing to obtain a true color image.
Further, the mobile photographing apparatus includes: the device comprises a camera, an optical lens barrel, RGB monochromatic light sources and a sliding rail, wherein the camera is arranged at an observation interface of the optical lens barrel, the RGB monochromatic light sources are arranged at a shooting port of the optical lens barrel, and the optical lens barrel is arranged on the sliding rail and used for moving and shooting an object to be detected according to a preset track.
Further, still include: a coaxial light source disposed at a side interface of the optical barrel.
Further, still include: the optical lens barrel is perpendicular to the sliding rail, so that the mobile shooting device can move perpendicular to the sliding rail when shooting.
Further, still include: and the backlight light source faces the shooting opening of the optical lens barrel and is used for placing the object to be measured.
Further, a pulse trigger is arranged on the camera and used for triggering shooting externally.
Further, still include: and the light source stroboscopic trigger is used for sequentially triggering the RGB monochromatic light source and the coaxial light source according to the sequence of red light, green light, blue light and coaxial light.
Further, the control device includes: an encoder;
and the encoder is used for recording the actual stepping distance of the motor in the control device.
Further, the image processing apparatus further includes: a memory;
the memory is used for storing the true color image.
Further, the communication device is UDP, bluetooth or TCP.
The embodiment of the utility model has the beneficial effects that: the mobile shooting device has the advantages that the fixed shooting shake waiting time is removed through the mobile shooting, the detection efficiency is improved, meanwhile, the structure is simple, and the manufacturing and maintenance cost can be effectively controlled.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a mobile shooting system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mobile camera according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1, a mobile photographing system includes: the device comprises a communication device 1, a control device 2, a mobile shooting device 3 and an image processing device 4, wherein the mobile shooting device 3 is provided with RGB single-color light sources; the communication device 1 is configured to transmit shooting information planned for a shooting subject to the control device 2; the control device 2 is used for controlling the mobile shooting device 3 to shoot according to shooting information, and controlling an RGB (red, green and blue) monochromatic light source built in the mobile shooting device 3 to carry out stroboflash according to a preset stroboflash mode so that the mobile shooting device 3 is exposed to shoot a black-and-white image; and the image processing device 4 is configured to receive the black-and-white image sent by the mobile shooting device 3 to perform stitching processing to obtain a true color image.
In this embodiment, the communication device 1 transmits shooting information planned for a shooting target to the control device 2, where the shooting information includes: the starting position and the moving path when the mobile shooting device shoots; when the mobile shooting device 3 receives an externally triggered shooting instruction, the control device 2 controls the mobile shooting device 3 to move to the initial position and shoot according to the moving path, and controls a monochromatic light source built in the mobile shooting device to strobe according to a preset strobe mode so as to expose the mobile shooting device.
And returning shooting information by planning a sweeping path of the mobile shooting device, wherein the shooting information represents a starting point, a motion direction and the number of shooting groups of each round of mobile shooting. Further, as shown in fig. 2, a mobile photographing apparatus includes: the device comprises a camera 1, an optical lens barrel 2, RGB monochromatic light sources 4 and a slide rail 6, wherein the camera 1 is arranged at an observation interface of the optical lens barrel 2, the RGB monochromatic light sources 4 are arranged at a shooting port of the optical lens barrel 2, and the optical lens barrel 2 is arranged on the slide rail 6 and used for moving and shooting an object 5 to be detected according to a preset track.
Further, still include: and the coaxial light source 3 is arranged at the side interface of the optical lens barrel 2.
Further, still include: the optical lens barrel 2 is arranged perpendicular to the slide rail 6, so that the mobile shooting device can move perpendicular to the slide rail 6 when shooting.
Further, still include: and the backlight light source 7 is opposite to the shooting port of the optical lens barrel 2, and is used for placing the object 5 to be measured.
Further, a pulse trigger is arranged on the camera 1 and used for triggering shooting externally.
Further, still include: and the light source stroboscopic trigger is used for sequentially triggering the RGB monochromatic light source and the coaxial light source 3 according to the sequence of red light, green light, blue light and coaxial light.
Further, the control device includes: an encoder;
and the encoder is used for recording the actual stepping distance of the motor in the control device.
Further, the image processing apparatus further includes: a memory;
the memory is used for storing the true color image.
Further, the communication device is UDP, bluetooth or TCP.
The communication device 1 can be realized by Bluetooth or TCP, but different versions of Bluetooth are incompatible, power consumption is high, and the connection capability of equipment is poor; in order to ensure the reliability of communication, the TCP needs to go through a tedious handshake process and use a complex congestion control algorithm, once packet loss occurs, the TCP retransmits the lost data and transmits the subsequent data after receiving the lost data, so that the delay is increased. Because UDP supports one-to-one, one-to-many, many-to-one and many-to-many interactive communication, connection does not need to be established before data is sent, better real-time performance and working efficiency are achieved, and meanwhile, the requirement on system resources is low.
Preferably, the exposure time for red, green and blue light in the RGB monochromatic light source 4 is 200 μ s and the on-axis exposure time is 80 μ s. The on-time of the out-of-camera 1 external trigger is 450 mus. The cyclic exposure gains of the camera 1 are 1, 2.67, 1.6 and 1 respectively. The resolution of camera 1 was 2592 x 2048 with a pixel size of 4.8 μm.
In one embodiment of the utility model, when the device works, the moving speed of the camera 1 on the slide rail 6 is 10mm/s, the image acquisition is started when the device reaches a pre-planned shooting position, the triggering and light source stroboscopic sequence of the camera 1 is red light, green light, blue light and coaxial light, wherein the RGB stroboscopic is accompanied with the opening of backlight, and the backlight is closed when the coaxial stroboscopic is carried out. The resolution of the camera is 2592 x 2048, the pixel size is 4.8 μm, the lens cone magnification is 3 times, one end of the breadth is used as the advancing direction, the size of the overlapping area is 400 pixels, and the trigger interval of the camera is
The camera frame rate is
In order to achieve image quality consistent with human eye senses, the opening time of a camera shutter is set to be 450 mu s, the exposure time of R, G, B is set to be 200 mu s, the on-axis exposure time is set to be 80 mu s, and the cyclic exposure analog gains are respectively 1, 2.67, 1.6 and 1. The maximum ghost pixel size that can result from using fly-shooting is
The actual exposure time is reduced by enhancing the brightness of the light source, and the influence of ghost images on the quality of the final composite image can be effectively reduced. And after the original picture is obtained, subsequent color picture, synthesis, multi-channel image alignment and image pressure storage are carried out, and finally, a true color picture with color saturation and color fine granularity superior to those of a Bayer white color camera and a registered coaxial picture can be obtained.
In a preferred embodiment of the present invention, the camera 1 may be a model of DALSA G3-GM10-M2590, the sensor is a CMOS, the resolution is 2592 × 2048, the pixel size is 4.8 μ M × 4.8 μ M, the standard frame rate is 22.7fps, the continuous shooting maximum frame rate is 51.8fps, and the operating temperature is-20 ± 60 ℃. The optical lens barrel 2 can adopt the model of XF-10MDT3X65D-1C-VI, the multiplying power is 3 times, the working distance is 65mm, the object view field is 5.9mm, and the image view field is 17.6 mm.
According to the embodiment of the utility model, when an image is shot by an RGB (red, green and blue) monochromatic light source, R, G, B single-channel black-white original images can be obtained, the alignment and superposition of single-channel images can be realized by software processing in the later period to obtain true color images, the color saturation of the color images synthesized by the black-white original images is adopted, the color acuity is higher, the calculation amount of feature identification of the subsequent extracted features is effectively reduced, the transition of the shape edge color is smooth, and the extremely small probability generates artifacts and color aliasing distortion; in addition, the mobile shooting, namely the flying shooting, removes the waiting time of fixed shooting jitter, improves the detection efficiency, has a simple structure, and can effectively control the manufacturing and maintenance cost.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A mobile camera, comprising: the device comprises a communication device, a control device, a mobile shooting device and an image processing device, wherein the mobile shooting device is provided with an RGB (red, green and blue) monochromatic light source;
the communication device is used for sending shooting information planned for a shooting object to the control device;
the control device is used for controlling the mobile shooting device to shoot according to shooting information and controlling an RGB (red, green and blue) monochromatic light source arranged in the mobile shooting device to carry out stroboflash according to a preset stroboflash mode so that the mobile shooting device is exposed to shoot a black-and-white image;
and the image processing device is used for receiving the black-and-white image sent by the mobile shooting device to carry out splicing processing to obtain a true color image.
2. The mobile camera of claim 1, wherein the mobile camera comprises: the device comprises a camera, an optical lens barrel, the RGB monochromatic light source and a slide rail;
the camera is arranged at an observation interface of the optical lens barrel, the RGB monochromatic light source is arranged at a shooting opening of the optical lens barrel, and the optical lens barrel is arranged on the sliding rail and used for moving and shooting an object to be detected according to a preset track.
3. The mobile camera of claim 2, further comprising: a coaxial light source disposed at a side interface of the optical barrel.
4. The mobile camera of claim 2, further comprising: the optical lens barrel is perpendicular to the sliding rail, so that the mobile shooting device can move perpendicular to the sliding rail when shooting.
5. The mobile camera of claim 2, further comprising: and the backlight light source faces the shooting opening of the optical lens barrel and is used for placing the object to be measured.
6. The mobile camera of claim 2, wherein a pulse trigger is provided on the camera for externally triggering the shooting.
7. The mobile camera of claim 3, further comprising: and the light source stroboscopic trigger is used for sequentially triggering the RGB monochromatic light source and the coaxial light source according to the sequence of red light, green light, blue light and coaxial light.
8. The mobile camera of claim 6, wherein the control means comprises: an encoder;
and the encoder is used for recording the actual stepping distance of the motor in the control device.
9. The mobile camera of claim 5, wherein the image processing device further comprises: a memory;
the memory is used for storing the true color image.
10. The mobile camera of any one of claims 1 to 9, wherein the communication device is UDP, bluetooth or TCP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121137102.XU CN216313204U (en) | 2021-05-25 | 2021-05-25 | Mobile shooting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121137102.XU CN216313204U (en) | 2021-05-25 | 2021-05-25 | Mobile shooting device |
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| CN216313204U true CN216313204U (en) | 2022-04-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115460386A (en) * | 2022-08-31 | 2022-12-09 | 武汉精立电子技术有限公司 | Method and system for acquiring color image by using black and white camera |
| CN115460386B (en) * | 2022-08-31 | 2024-05-17 | 武汉精立电子技术有限公司 | Method and system for acquiring color image by black-and-white camera |
-
2021
- 2021-05-25 CN CN202121137102.XU patent/CN216313204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115460386A (en) * | 2022-08-31 | 2022-12-09 | 武汉精立电子技术有限公司 | Method and system for acquiring color image by using black and white camera |
| CN115460386B (en) * | 2022-08-31 | 2024-05-17 | 武汉精立电子技术有限公司 | Method and system for acquiring color image by black-and-white camera |
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